BirdAnalyst
BBS Route · Michigan · BCR 12

Imp Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 23 survey years, no longer active.

108Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
23Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2019Span
3Observers

Bird Species Found on Michigan Imp Lake

Top 40 of 108 species by most recent count. Each links to its species trend.

Species recorded on the Imp Lake route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Red-eyed VireoVireonidae662019+21%1994
OvenbirdParulidae562019+3%1994
Black-throated Green WarblerParulidae242019-23%1994
Least FlycatcherTyrannidae232019+41%1994
White-throated SparrowPasserellidae232019-52%1994
Blue JayCorvidae202019+29%1994
Nashville WarblerParulidae192019+150%1994
American RobinTurdidae182019-34%1994
Blackburnian WarblerParulidae162019+78%1994
Black-capped ChickadeeParidae162019-2%1994
Chipping SparrowPasserellidae122019-53%1994
Yellow-bellied SapsuckerPicidae112019-11%1994
Pine WarblerParulidae112019+214%1994
Rose-breasted GrosbeakCardinalidae102019+250%1994
Northern ParulaParulidae102019+80%1995
Chestnut-sided WarblerParulidae102019-42%1994
Black-throated Blue WarblerParulidae92019+320%1996
Eastern Wood-PeweeTyrannidae82019+500%1994
Song SparrowPasserellidae82019-14%1994
White-breasted NuthatchSittidae82019+117%1996
Wood DuckAnatidae82016+350%1999
Red-breasted NuthatchSittidae72019-7%1994
Common RavenCorvidae62019-5%1995
Mourning WarblerParulidae62019+0%1994
VeeryTurdidae62019+43%1998
Cape May WarblerParulidae52016+500%1994
Winter WrenTroglodytidae52019-46%1994
Hermit ThrushTurdidae52019-56%1994
Red CrossbillFringillidae52018+150%2016
American RedstartParulidae42019+60%1994
Brown CreeperCerthiidae42019+140%1995
Tennessee WarblerParulidae42007-39%1996
Ruffed GrousePhasianidae42019-27%2013
Sandhill CraneGruidae42018+100%2005
Canada GooseAnatidae42019+100%2013
Common LoonGaviidae32019-77%1994
Downy WoodpeckerPicidae32012-18%1994
Great Crested FlycatcherTyrannidae32014+17%1996
American CrowCorvidae32019-66%1994
Chimney SwiftApodidae32019-33%1996

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.